chore(deps): update dependency google-auth to v2.3.2 (#1585)

diff --git a/samples/compute/requirements.txt b/samples/compute/requirements.txt
index 7fa44fc..0105a1f 100644
--- a/samples/compute/requirements.txt
+++ b/samples/compute/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==2.28.0
-google-auth==2.3.1
+google-auth==2.3.2
 google-auth-httplib2==0.1.0